Lelly I can't remember how long I cooked it for. If it isn't cooked after the time I put it on Varoma and put the basket over the top and keep cooking until it is ready. Make sure you keep testing it though, remembering it will thicken a bit when it cools.

Don't know if this is any help to anyone but most of the strawberry jam recipes I've seen say to warm the sugar in the oven first. I've made two batches of jam using the method below:500g hulled and halved strawberries500g jam sugar (csr brand)

"To test for pectin content add one teaspoon of juice from the cooked fruit (before addition of sugar) to one tablespoon of methylated spirits. Juice high in pectin forms a large blob of jelly; two or three smaller lumps denote medium levels and low pectin levels will produce tiny clots."